Igo, CA climate
Igo has mild winters and hot summers. A typical July afternoon reaches 97°, a January night drops to 39°, and about 3 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Igo feels like
Winter
Spring
Summer
Fall
Igo weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 55° | 39° | 7.2" | 1.1" | 12 | 0 | 42° – 54° |
| February | 59° | 40° | 7.4" | 0.8" | 11 | 0 | 43° – 57° |
| March | 64° | 43° | 6.9" | 0 | 12 | 0 | 45° – 60° |
| April | 70° | 46° | 3.0" | 0 | 8 | 0 | 51° – 63° |
| May | 80° | 53° | 2.0" | 0 | 6 | 0 | 56° – 74° |
| June | 89° | 60° | 1.0" | 0 | 3 | 0 | 68° – 82° |
| July | 97° | 66° | 0.1" | 0 | 1 | 0 | 78° – 86° |
| August | 96° | 64° | 0.1" | 0 | 1 | 0 | 76° – 85° |
| September | 91° | 59° | 0.4" | 0 | 1 | 0 | 71° – 79° |
| October | 78° | 51° | 1.9" | 0 | 5 | 0 | 60° – 71° |
| November | 62° | 43° | 4.1" | 0 | 9 | 0 | 45° – 59° |
| December | 54° | 38° | 8.0" | 0.7" | 13 | 0 | 42° – 49° |
| Year | 74° | 50° | 42.0" | 2.6" | 81 | 1 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Igo
Igo gets 42 inches of rain and melted snow a year. December is the wettest month and July the driest. Rain or snow falls on about 81 days a year.
About 304 frost-free days a year
In half of years the last 32° night comes by February 13 and the first one by December 13. That leaves about 304 frost-free days for gardens, longer than 95% of U.S. towns.
Heating and cooling a home in Igo
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Igo, 58% of that work is heating and 42% is cooling.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
How Igo compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Igo averaged 1.2° warmer than the 1900s. The biggest change is in September (+2.1°). The shift is larger than in 51% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Igo’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. May swings the most: between 1991 and 2020 its average temperature ranged from 56° to 74°. December is the most reliable, staying within 7°.
Common questions about Igo’s climate
What is the coldest month in Igo?
December, with a typical high of 54° and a low of 38°.
What is the hottest month in Igo?
July, with a typical high of 97° and a low of 66°. About 98 days a year reach 90°.
How much snow does Igo get?
About 3 inches in a normal winter, most of it in January.
When is the first frost in Igo?
In half of years the first 32° night comes by December 13, and the last spring frost by February 13.
What is the rainiest month in Igo?
December, with 8.0 inches of rain and melted snow. The year totals 42 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Igo itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Redding Municipal Airport, CA (13 mi, snow) and Whiskeytown Rsvr, CA (8 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.